{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "protein", "RNA", "cell type", "DNA"], "input": "Because previous work has demonstrated that T cells from elderly individuals may display normal proliferative responses when activated via the anti-CD2 pathway , c-jun and jun B mRNA expression was also studied in anti-CD2-activated purified T cells ."}
{"cell line": ["anti-CD2-activated purified T cells"], "protein": ["anti-CD2"], "RNA": [], "cell type": ["T cells"], "DNA": []}